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- W2359403733 abstract "The Er3+ doped TiO2 upconversion luminescence nano-powders were prepared by sol-gel method,being characterized by XRD,SEM,emission spectroscopy.Upconversion nano-powders luminescent mechanism and different concentration Er3+ doped and heat treatment temperature on TiO2 up-conversion fluorescence were analyzed.The results indicated that moderate Er3+ concentration and appropriate heat treatment temperature were good for increasing TiO2 nano-powders upconversion capability.Er3+ doped TiO2 powders were excited by 980 nm infrared spectrum,gained green light beyond 539~567 nm,gained red light on 669 nm,and the intensity on green light was more than infrared.With the concentration of Er3+ increasing,green light intensity was strengthening,and red light intensity was weakening(less than mole fraction 1%);continuing to increase the concentrations,green and red lights were relatively weak.With heat treatment temperature increasing,green light intensity was strengthening,and red light intensity was weakening.When the Er3+ doping density was 1mol%,and roasting temperature was 800 ℃,the intensity green light obtained was higher and the color was unitary." @default.
- W2359403733 created "2016-06-24" @default.
- W2359403733 creator A5074758035 @default.
- W2359403733 date "2012-01-01" @default.
- W2359403733 modified "2023-09-26" @default.
- W2359403733 title "Preparation and up-conversion luminescence of Er~(3+) doped TiO_2 synthesized" @default.
- W2359403733 hasPublicationYear "2012" @default.
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